Advertisements
Advertisements
प्रश्न
What does the symbol '(s)' present in a chemical equation, mean?
Advertisements
उत्तर
'(s)' stands for solid-state.
APPEARS IN
संबंधित प्रश्न
Name the elements represented by the following symbols :
Hg, Pb, Au, Ag, Sn
The scientist who proposed the first letter (or first letter and another letter) of the Latin or English name of
an element as its symbol, was :
What do the following symbol stand for?
H
Match the noble gases – with their correct symbols:
| Noble gases | Symbols |
| (a) Helium | (1) Ar |
| (b) Neon | (2) Xe |
| (c) Argon | (3) Rn |
| (d) Krypton | (4) He |
| (e) Xenon | (5) Kr |
| (f) Radon | (6) Ne |
In the chemical word equation – Zinc + Sulphuric acid → Zinc sulphate + Hydrogen
The molecular equation is :
Zn + H2SO4 → ZnSO4 + H2[g].
State what [g] represents.
Give the symbol of the following element:
Copper
Write the radical of the following valency:
Potassium
State the valency of the following metallic element and write symbol with the valency
Aluminium
State why the molecular formula of zinc carbonate is ZnCO3 .
Define Alchemy.
